/*
 * Copyright 2018- The Pixie Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

// If the pxl script contains any of the following strings, it contains a mutation.
const pxlMutations = [
  'from pxtrace',
  'import pxtrace',
  'import pxconfig',
];

export const containsMutation = (pxl: string): boolean => (
  pxlMutations.some((mutationStr) => {
    const re = new RegExp(`^${mutationStr}`, 'gm');
    return pxl.match(re);
  })
);

export const isStreaming = (pxl: string): boolean => (
  pxl.indexOf('.stream()') !== -1
);
